CBSE > Class 12 > Computer Science | CBSE Board | Homework Help

A FOREIGN KEY is a field (or collection of fields) in one table, that refers to the PRIMARY KEY in another table. The table with the foreign key is called the child table, and the table with the primary key is called the referenced or parent table.

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Posted by S. K 2 years, 4 months ago

CBSE > Class 12 > Computer Science

1 answers

Reshma Sri 2 years, 4 months ago

Hello

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Networking notes

Posted by Anuradha Patwari 3 years, 6 months ago

CBSE > Class 12 > Computer Science

0 answers

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Notes

Posted by Suvangi Mohanty 3 years, 6 months ago

CBSE > Class 12 > Computer Science

3 answers

Sathi Gupta 3 years, 2 months ago

We cannot upload photos here

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Suvangi Mohanty 3 years, 5 months ago

Computer science class 12 book

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Anuradha Patwari 3 years, 6 months ago

Which topic

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Difference between text file and binary file

Posted by Archana ..... 3 years, 5 months ago

CBSE > Class 12 > Computer Science

1 answers

Sia ? 3 years, 5 months ago

A text file stores data in the form of alphabets, digits and other special symbols by storing their ASCII values and are in a human readable format. Whereas, a binary file contains a sequence or a collection of bytes which are not in a human readable format.

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Write a python program to accept percentage of a student and display grade using if elif

Posted by Daniel Jaeger 3 years, 6 months ago

CBSE > Class 12 > Computer Science

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Write the full form of DML

Posted by Ītz_Shubham_Verma Verma 3 years, 6 months ago

CBSE > Class 12 > Computer Science

1 answers

Shraddha Verma 3 years, 6 months ago

Data Manipulation Language

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Write a python program to create a dictionary containing names of students as keys and computer science marks as values

Posted by Sneha S 3 years, 6 months ago

CBSE > Class 12 > Computer Science

1 answers

Anuradha Patwari 3 years, 6 months ago

import pandas as pd Df=pd.DataFrame({'students':['sonu','monu'],'marks':[89,70]}).

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rewrite the following python code after removing all syntax errors. underline the correction. def main(): r=raw-input('enter any radius:') a=pi* math pow(r,2) print "Area=" +a

Posted by Vedha ..... 3 years, 6 months ago

CBSE > Class 12 > Computer Science

2 answers

❤️Ritesh Gupta? 3 years, 5 months ago

Follow me on Instagram- riteshgupta16_

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❤️Ritesh Gupta? 3 years, 5 months ago

Kaise ho

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Write a function in python that counts the number of words present in text file " words.txt"

Posted by Malar Kathir 3 years, 6 months ago

CBSE > Class 12 > Computer Science

0 answers

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No audio output device is installed

Posted by Kp Singh 3 years, 6 months ago

CBSE > Class 12 > Computer Science

1 answers

Sia ? 3 years, 6 months ago

Use Device Manager to check if the audio device is disabled, and then install an available driver update. In Windows, search for and open Device Manager. Right-click the audio device, and then select Update Driver. Click Search automatically for updated driver software to check for and install a driver.

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Is Preeti Arora good or Sunitha Arora? Class 12 computer science

Posted by Parthiv K Jyothish 3 years, 6 months ago

CBSE > Class 12 > Computer Science

5 answers

Ruchir Angra 3 years, 6 months ago

Preeti arora is the best

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Inderpreet Kaur 3 years, 6 months ago

Sunita Arora

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Vivek Chaurasia 3 years, 6 months ago

Offcourse bhai sumita arora

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Simran Sahu 3 years, 6 months ago

Sunita arora

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Deepika Joshi 3 years, 6 months ago

Sumita arora

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Which book is preferred by cbse for computer science class 12

Posted by Parthiv K Jyothish 3 years, 6 months ago

CBSE > Class 12 > Computer Science

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Rearrange the following terms in increasing order of length. [4.2,6,7],[[5,2],[3,2],[5,2], 10,13,[12,29]], [[2,3,7,4],[4,6]],[1,2,3,[1,2,7,4.],[4,9,5]]

Posted by Santhosh Santhosh 3 years, 7 months ago

CBSE > Class 12 > Computer Science

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The smallest individual unit in a program ia know as

Posted by Harish Kumar 3 years, 7 months ago

CBSE > Class 12 > Computer Science

5 answers

Rashmi Raj 3 years, 7 months ago

Token

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Naina Chaurasia 3 years, 7 months ago

What is variable

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Priyanshu Kaushik 3 years, 7 months ago

Tokens

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Royal Thakur ? 3 years, 7 months ago

Token...

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Harish Kumar 3 years, 7 months ago

Ans

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Full form of Wi max

Posted by Amal Yusuf 3 years, 7 months ago

CBSE > Class 12 > Computer Science

3 answers

Sia ? 3 years, 7 months ago

WiMAX (Worldwide Interoperability for Microwave Access) is a family of wireless broadband communication standards based on the IEEE 802.16 set of standards, which provide multiple physical layer (PHY) and Media Access Control (MAC) options.

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Rashmi Raj 3 years, 7 months ago

The full form of WiMax is "WORLDWIDE INTEROPERABILITY FOR MICROWAVE ACCESS".

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Rashmi Raj 3 years, 7 months ago

The full form of WiMAX is WORLDWIDE "INTEROPERABILITY for MICROWAVE ACCESS"

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Differentiate between fetchall() and fetchone() using suitable examples of each.

Posted by Monisha Nagpal 3 years, 7 months ago

CBSE > Class 12 > Computer Science

1 answers

Sia ? 3 years, 7 months ago

fetchall() fetches all the rows of a query result. An empty list is returned if there is no record to fetch the cursor.
fetchone() method returns one row or a single record at a time. It will return None if no more rows / records are available.

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14+13%15 In python

Posted by Vicky D 3 years, 7 months ago

CBSE > Class 12 > Computer Science